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1、英语基本句型陈述句改否定句陈述句变否定句的规则如下:(1)句中有be动词的,直接在be动词后面加not.例如,Sheismysister.改为,sheisnotmysister.(2)句中有情态动词的,直接在情态动词后面加not例如,Youmaycomeheretomorrow.改为,youmaynotcomeheretomorrow.(3) 句中谓语动词是实意动词,没有be动词amisare,也没有情态动词canmaymust的,在实意动词前面加don’t或doesn’t,,当主语是第三人称单数时,加doesn’t.
2、相应的实意动词变为原型。例如,ShestudiesEnglishatschool.改为,shedoesnotstudyEnglishatschool.陈述句改疑问句陈述句变疑问句的规则如下:(1)句中有be动词的,把be动词提到句首。例如,I amapupil.改为,Am I apupil?(2)句中有情态动词的,把情态动词提到句首。(must,may,can…)例如,Icancleanthewindow.改为,canyoucleanthewindow.(3)句中谓语动词是实意动词,没有be动词amisare,也没有情
3、态动词canmaymust的,在句首前面加do或does,当主语是第三人称单数时,加does.相应的实意动词变为原型例如,Helikescows.改为,Doeshelikecows?肯定回答和否定回答Areyouboys?Yes,weare(No,wearen't)Issheanurse?Yes,sheis.(No,sheisn't)Doeshelikecows?Yes,hedoes.(No,hedoesn't)Dowedanceafterschool?Yes,wedo.(No,wedon't)特殊疑问句特殊疑问句:以
4、疑问代词或疑问副词开头,提出疑问的句子。 它的基本结构是:特殊疑问词+一般疑问句语序。但是如果疑问词在句子中作主语或作主语的定语,就用特殊疑问词+陈述句语序。常用的疑问词有:what, who(whom), whose,which,when,where,how,why等,回答时针对问句中的代词和副词来回答,不用yes或no来回答。1)对指物名词或谓语动词提出疑问,疑问词用what①The twins were making a kite when their mother came in. (划线提问)
5、______ _____ the twins _____ when their mother came in? ②Mrs Turner asked her son to buy some eggs for supper. (划线提问) _______ ______ Mrs Turner ask her son ______ _______?2)对名词前定语提出疑问,疑问词应用which,而且必须和名词连用。I'm going to take the shirt on the right.(划线提
6、问) ______ _____ are you going to take?3)对指人名词或代词提问用who,作宾语时提问用whom。eg.Li Ping,they,his father4)对物主代词和名词所有格提问用whose。eg. Li Ping's coat→Whose coat my father→Whose father5)对具体时间提出疑问,如 in the morning,last Sunday等,疑问词用when;对具体几点钟提问,疑问词应用what time。6)对具体地点提出疑问
7、,疑问词应用where。The pupils are having a picnic at the foot of the hill. (划线提问) _____ _____ the pupils having a picnic7)对表原因的从句提问,常见的有because引导的从句,疑问词应用why。Xiao Cheng didn't go to the farm with us because he was ill. (划线提问) _______ _____ Xiao Cheng go to the
8、farm with us?8)对方式或程度等提出疑问,用疑问词How。eg. go by bike like very much9)对数量提出疑问,疑问词为How many,要注意how many必须跟名词的复数形式。eg. two hundred sheep→How many sheep10)对价格提出疑问,疑问词用How mu